Receptacle



March 26, 1963 J. D. wlLsoN 3,082379 RECEPTACLE Filed Oct. 10, 1960 3 Sheets-Sheet 2 l l 112 124 fm 122 120,;0 126 .March 26, 1963 J. D.,w1| soN RECEPTACLE 3 Sheets-Sheet 5 Filed Oct. 10, 1960 United States Patent O 3,082,879 RECE?TACLE James D. Wilson, 5339 Keynote St., Long Beach, Calif. Fiied Oct. 16, 1964), Ser. No. 63,237 7 Claims. (CH. 211-125) The present invention relates to trays or receptacles which may, for example, be of a wire rod construction, and which receptacles are Constructed so that they may be tiered when loaded and so that they may be nested when empty.

This application is a continuation-in-part of copending application Serial No. 805,978 filed April 13, 1959, entitled Receptacle, now abandoned.

Receptacles or trays of the general type with which the present invention is concerned find wide use, for example, in the transport and display of bakery goods. The rcceptacles may be loaded at the bakery and then stacked on top of one another, the receptacles being Constructed so that a sufficient space exists lbetween successive receptacles in the stack so that the goods held in them will not be damaged. The resulting stack of loaded receptacles may then be placed in a truck for transport, for eXample, to retail stores and markets.

The stacked receptacles, upon their arrival at a retail market, rnay be moved to an appropriate position in the market where the goods may be displayed for purchase. When the receptacles are empty, it is most desirable that they be capable of being nested within one another for space conservation in their return to the bakery.

One form of prior art receptacles of the type under discussion uses one or more hinged suppor-t members to permit the receptacles either to be tiered on top of one another, or nested within one another. The hinged support members are usually positioned :at the rim of the prior art receptacle, and they may be pivoted to a first position in which they extend inwardly from the rim across the top of the receptacle and to a second position clear of the top. When the hinges of the prior art receptacles are in the first position, one receptacle may be stacked on the other in a tiered relationship, and when the hinges are in the second position the prior art receptacles may be nested one within the other.

The type of prior art tray described in Ithe preceding paragraph is subject to certain disadvantages in that the hinged support members are somewhat difiicult to fabricate and -mount without adding excessively to the cost of the trays, and also because these hinged support members have a tendency to become deformed and broken under the rough usage to which trays of this general type are normally exposed. Also, the prior art trays using,7 such hinged support members are somewhat inconvenient to manipulate when it is desired to stack or to nest them.

In an attempt to obviate the need for moving parts in tierable-nestable receptacles; receptacles have been devised in the prior art which are capable of being stacked or nested, and which do not require moving parts to achieve this feature. It is with this latter general type of receptacle that the present invention is concerned.

The present invention provides an improved receptacle which does not incorporate or require any hinged, or otherwise movable, support members; and yet which is capable of being rigidly stacked in a tiered Condition with similar receptacles when loaded, or of being quickly and conveniently nested in such similar receptacles when empty. A feature of the receptacle of the invention is that it is so Constructed that its top and its ends are open and free from cross support bars, or other support members, extending across the top of the receptacle, and which impede the freedom with which receptacles incorporating ice such cross support members can be loaded, stacked or nested.

The feature of the invention referred to immediately above enables the receptacle of the invention to be easily and conveniently loaded and unloaded; and it also provides for optimum convenience in the handling, nesting and stacking of the trays of the invention.

Another feature of the improved stackable-nestable receptacle of the invention is the provision of a plurality of upsltanding fingers or projections near each corner of the receptacle which extend upwardly, a corresponding -plurality of wire loops are formed at the bottom of each tray in vertical alignment with respective ones of the fingers. These loops serve to receive the fingers of a lower, like tray to enable the trays -to be held rigidly in a tiered Condition. This improved finger-loop mating construction of the present invention obviates the need for the cross bar suppor-ting members which have been used for tiering purposes in many of the prior art arrangements and which, as noted, impede the free loadng and the ease in nesting and stacking of the trays. Also, this improved finger-loop mating construction of the present invention permits the receptacles ofV the invention to be out the need for any extraneous members or additional supports for this purpose.

In a second embodiment of the invention to be described, the bottom of each tray is provided with further sets of wire loops; so that the trays can be tiered, either in the manner described in the preceding paragraph in vertical relationship one above the other, or in a staggered relationship in which each successive tiered tray is displaced horizontally from the one below it. In the latter tiering relationship, the stack of trays may be tilted forward on an appropriate carriage for display purposes without destroying the stability of the stack.

lIn the embodiments of the invention to be described, a continuous wire rod loop extends around the periphery of the receptacle. This loop has side portions which extend along each side of the receptacle in a position displaced upwardly from the bottom of the receptacle to help form the wide walls of the receptacle. This wire is formed into an upwardly extending projection near each corner of the receptacle, and these projections constitute the upstanding fingers referred to above. The projections are dipslaced inwardly from the plane of the side walls to engage the looped support members of a similar tray placed over it, such looped support members being displaced inwardly from the side walls of the trays. This inward displacement of the looped members permits one tray to be nested within the other when the looped members of that tray are disengaged from the fingers of the other.

Also in the embodiment of the invention to be described, a pair of wire rod closed loops are attached to, and extend across, the bottom of the receptacle. One of the loops is positioned near one end of the receptacle, and the other is disposed near the other end. Each of these wire rod loops is positioned so that its ends constitute two of the looped supporting members referred to above. This configuration results in four looped supporting members at the bottom of the receptacle which are positioned in respective vertical alignment with the four upstanding fingers described above.

When it is desired to stack a plurality of receptacles of the type described in the preceding paragraphs on top of one another, it is merely necessary to set one receptacle over another with the looped supporting members at the bottom of each receptacle engaging the upstanding fingers of the next lower receptacle. The resulting tiered reaosasre ceptacles are rigidly and firmly held in position one above the other.

For nesting the trays of the embodiment of the invention to be described, it is merely necessary to disengage the looped supporting members at the bottom of each tray from the upstanding fingers of the next lower tray. Then, the disengaged tray is shifted slightly in a longitudinai horizontal direction with respect to the lower tray and dropped into the lower tray. The side walls of the receptacles incorporate .guides which serve to direct the trays into a nested relationship with one another.

The improved stackable-nestable receptacles of the present invention are not only extremely convenient in the manner in which they may be loaded, unloaded, stacked and nested; but they are also extremely rugged in their contruction and capable of extreme rough handling without damage. Moreover, the constructional details of the receptacles of the invention are such that they may be manufactured at a relatively low cost and sold for a relatively low price.

=Other features and advantages of the invention will become apparent from a consideration of the following specification in conjunction with the accompanying drawings, which drawings illustrate one embodiment of the invention, and in which:

FIGURE 1 is a top perspective view of a stackablenestable tray constructed in accordance with the concepts of the present invention;

FIGURE 2 is a side elevational view of a plurality of trays constructed in accordance with the invention, this view illustrating certain ones of the trays as being nested with respect to one another and the view also showing other trays as being stacked in a tiered relationship with respect to one another;

FIGURE 3 is a fragmentary end view, on a reduced scale with respect to FIGURES 1 and 2, and showing the manner in which one tray may be stacked on top of another;

FIGURE 4 is an enlarged fragmentary view of the trays of FIGURE 3 and showing the Vmanner in which a looped supporting member at the bottom of one tray engages an upstanding projection, or finger, of a lower tray, when the trays are placed in a tiered relationship;

FIGURE 5 is a top plan view of a second embodirnent of the invention in which further looped supporting memhers are provided at the bottom of the tray to permit trays constructed in accordance with the second embodiment to be stacked in an off-set relationship for the reasons described above;

FIGURE 6 is a fragmentary perspective view of one corner of the tray of FIGURE l5, showing particularly the multiple supporting loops at the bottom of the tray;

-FIGURE 7 is a fragmentary elevational view showing the manner in which trays of the type shown in FIGURE 5 may be stacked in vertical alignment with respect to one another;

FGURE 8 is a perspective view of a carriage suitable for supporting a stack of trays in a tilted position for display purposes; and

FIGURE 9 shows a stack of trays of the type shown in FIGUR-E 5, stacked with an off-set relationship and supported by the carriage of FIGURE 8 in a tiited position.

' The illustrated embodiment of the invention as shown in -FIGURE 1, includes a first wire rod 10' which extends in a continuous rectangular loop around the periphery of the receptacle. The rectangular loop formed by the wire rod -10 has spaced and parallel end portions 12 and 14, and it also has spaced and parallel side portions 16 and 18. The side portions 416 and .18 are displaced upwardly from the plane of the end portions 12 and 14 when the tray is'in a horizontal position.

A plurality of spaced and parallel wire rods extend between the end portions 12 and 14. of the rectangular loop formed by the wire rod 10. The wire rods 20 constitute a 4 bottom structure for the receptacle. The extremities of the rods 20' are looped around the end portions 12 and 14, and they are attached to the end portions by welding or by other appropriate techniques. Also, the ends of the i rods 20 are inclined slightly to the intermediate portion of each of the rods so that the plane of the bottom structure is slightly lower than the plane of the end portions 12 and 14 of rectangular loop forrned by the rod 110. This provides the receptacle with a convenient basket-like configuration so that the articles in the receptacle do not have a tendency to slide out the open ends.

The wire rod has a plurality of upwardly extendng projections formed in theside portions 16 and 18 of the rectangular loop formed by that rod. These projections provide a separate supporting finger 22 near each corner of the receptacle. The supporting fingers 22 each have a lower portion which extends inwardly from the corresponding side portions 16 and 78, and each of these fingers has an upstanding end portion.

A first continuous wire rod loop 26 is welded, or otherwise attached, to the under side of the rods 20 which form the bottom Structure of the receptacle, and the loop 26 eX- tends across the bottom Structure essentially parallel to the end portion 2 of rectangular loop formed by the rod 10. The loop 26 has a pair of side portions, and it has looped end snpporting portions 28 and 30. These looped end supporting portions 28 and 30 are in respective vertical alignrnent with a corresponding pair of the supporting fingers 22. The looped end supporting portions are adapted to receive and engage similar fingers of a like lower receptacle, when the receptacles are positioned in a tiered relationship.

A similar continuons wire rod loop 34 is welded, or otherwise attached, to the under side of the rods 20. The loop 34 is positioned adjacent the end portion 14 of the rectangular loop formed by rod 10, and it is essentially parallel to that end portion. The loop 34 has looped end supporting portions 36 and 38 similar to the looped end supporting portions 28 and 30 of the loop 26. The looped end supporting portions 36- and 38 are in vertical alignment with corresponding ones of the upstanding fingers 22, as shown in FIGURE 1. These latter looped end portions, likewise, are intended to receive the corresponding upstanding fingers of a lower tray, when "the trays are supported in a tiered Condition.

A third continuous wire rod loop 40 is Secured to the under side of the rods 20 of the bottom Structure, as by welding. The loop 40 extends across the under side of the bottom Structure between the loops 26 and 34, and it is parallel to the loops 26 and 34. The continuous wire loop 413 is disposed at the center of the receptacle, and it has a pair of bent-over end portions 42 and 44. These end portions 4-2 and 44, as illustratecl, have an essentially triangular Configuration, and their extremities are welded, or otherwise attached, to the side portions 16 and 18 respectively. T he end portions 42 and 44 of the continuous wire loop 40 not only serve as a supporting means for the rod 10, but they also help to form the side walls of the tray, and they serve as guides for the trays when the trays are nested within one another.

A first transverse wire rod 48 is also Secured to the underside of the rods 28; The rod 48 extends across the bottom structure 20 in parallel relationship with the loop 42- and the loop 26, and is positioned between those loops. The wire rod 48 has bent-over end portions 50 and 52 which eXt-end with an inclined relationship to the plane of the bottom Structure and Whose extremities are respectively attached, as by welding, to the ends of the side portions do and 18 of the rectangnlar loop formed by the rod 10. The wire rod 48, and its end portions 50 and 52, also serve as a support for the wire rod 10, and also assist in forming the side walls and in guiding the trays into nesting relationship with one another.

A similar wire rod 56 is also attached, as by welding, to the undersidc of the bottom Structure, and this latter rod extends across the bottom structure between the loops 34 and 40 and parallel to those loops. The rod 56 also has bent-over end portions 58 and 66 which extend up to the respective side portions 16 and 18 of the rod 18 at an inclination to the plane of the bottom structure. The extremities of the end portions 58 and 61) are welded to the respective side portions 16 and 18 adjacent corresponding ones of the fingers' 22. The rod 56 also serves as a support for the rod 10, and its end portions 58 and oi) serve as a guide when trays are nested within one another.

It wiil be observed from FIGURE l, that the side portions 16 and 18 of the rectangular loop formed by the rod 11), and the end portions 42 and 44, 56 and 52, 58 and 611, cooperate with one another to .constitute the side Walls -for the receptacle. It will also be appreciated, that the upstanding portions of the iingers 22, and the looped support members 28, 3-9, So and 38 are disposed inwardly of the planes of the respective side walls. This permits successive trays to be stacked with their looped supporting members engaging corresponding ones of the upstanding fingers of the next lower tray; and this also allows the trays to be nested within one another, when the looped supporting members are disengaged from the Corresponding tingers.

An additional supporting rod 70 may be attached, as by welding, to the end portions 58, 42 and St? of one of the side walls of the tray. A similar supporting rod 72 may be welded to the end portions eit, 44 and 52 of the other side wall. These rods rest on the top of a lower tray when an upper tray is nested therein, and they provide a support for the upper tray.

As shown in FIGURE 2, a first tray litiil may be stacked on a second tray 192. in a tiered relationship. The trays ltti and 192 may each be Constructed in the manner described above and illustrated in FIGURE 1. For stacking purposes, the iooped supporting members such as the members 104 of the tray iit) are positioned over the upstanding snpporting fingers, such as the fingers 165 of the tray 162. The upstanding fingers of the lowermost tray, in their engagement with the looped supporting members of the upper tray, cause the trays to be rigidly held in a tiered relationship. It is evident that a piurality of similar trays may be stacked one above the other. In each instance, the mating fingers and looped supporting members hold the trays in a firm and secure stackedrelationship.

FIGURE 2 also illustrates the tray 12 in nested relationship with a lower tray 11%. To accomplish this nesting relationship, it is merely necessary to disengage the looped supporting members, such as the members 112 and 114 of the tray 1112 from the upstanding finger support members, such as the members 116 and 118 of the tray 110. Then, the tray 162 is shifted siightly in a longitudinal direction with respect to the tray 110 and dropped into nested relationship with the latter tray. The bentover end portions, such as the end portions 121) and 122, at the side walls of the trays 1112 and 110 cooperate with one another to guide the trays into nesting relationship. Likewise, the bent-over end portions 124 and 126, and the bent-over end portions 123 and 130 of these trays cooperate for that purpose. The looped supporting members, such as the members 112 and 114, do not interfere With the free nesting of the trays, because these supporting members are displaced inwardly from the planes of the respective side Walls.

The view of FIGURE 3 shows clearly how the upstanding nger support members 22 of the tray described in conjunction with FIGURE i cooperate with the looped end portions ao' and 38' of a loop 34' of a similar tray, so that the trays may be held in a tiered relationship. The Cooperation of the looped end portion 36' with a corresponding one of the upstanding fingers 22 is more Clearly shown in the fragmentary representation of FIG- URE 4.

In the embodiment of the invention illustrat'ed in FIG- URES 5-9, like Components to the embodiment of FIG- URES 1-4 have been represented by the same nurnerals.

It Will be noted that the trays shown in FIGURES 5-9 include the wire loop 26 and its looped supporting ends, and they also include the wire loop 34 and its looped supporting ends. These looped ,supporting ends are formed on the bottom of each tray, as in the previous embodiment, and they are intended to receive the corresponding upstanding fingers 22 of a lower tray. When that Condition obtains, the trays are supported in a tiered Condition one over the other, as shown in FIGURE 7.

However, the trays shown in FIGURES 5-9 also each include a wire 280 which is mounted at the bottom, and which eXtends from one end of the tray to the other; and the trays of FIGURES 5-9 each include a wire 202. mounted at the bottom and which eXtends from one end of the tray to the other. The wire Zlt) is positioned at one side of the tray; and it is formed to provide a pair of loops 2t14 and 265 on each side of the looped end 30, and to provide a pair of loops 2118 and 216 on each side of the looped end 38. The wire 202 is positioned at the opposite side of the tray; and it is formed to provide a pair of loops 212 and 214 on each side of the looped end 28, and to provide a pair of loops 216 and 218 on each side of the looped end 36.

A wheeled carriage 220 may be provided, which has a hinged bracket 222 at its rear end, and which has a pair of upstanding looped supports 224 at its forward end. As shown in FIGURE 9, the trays of the second embodiment of the invention may be supported on the carriage 2211 in a forwardly tilted position for display purposes. To achieve this, the hinged bracket 222 engages the lowermost tray and holds it in an uptilted position, with the forward end of the tray engaging the looped supports 224.

In order to achieve stability in the tiered trays of PIG- URE 9, each succeeding tray is stacked on the next-lower tray in a iaterally off-set position, as shown. This off-set stacking is achieved by causing the upstanding fingers 22 of each tray to engage the loops 2114, 212 and 208, 216 of the next higher tray, for eXample; instead of the loope end portions 28, 39% and 36, 38. i

It Will be observed that the improved receptacle of the present inventionvis advantageous in that the top and ends are open and free from cross supports for convenient leading and handling. The concept of the present invention whereby successive trays are tiered on one another without the need for cross bars or similar members, not only simplies the loading and unloading of the trays of the invention, but simplifies the manner in which the trays may be stacked and nested with one another. The tiering as described herein, may be With the trays being disposed directly over one another, or with the trays laterally off-set with respect to one another so that the stack may -be tilted forward for display purposes. Moreover, the improved mating finger-loop Construction of the trays of the invention enables the tray to be seourely held in a stacked relationship without the need for any additional support members. The improved tray of the invention is extremely rigid and rugged in its construction and is capable of rough usage. Moreover, the trays of the present invention can be Constructed in a relatively easy manner and at a relatively low cost.

I claimr 1. A receptacle capable of being stacked or nested with receptacles of like construction, including: a first wire rod extending as a closed rectangular loop around the periphery of the receptacle, said closed rectangular loop havin g spaced and parallel side portions and having spaced and parallel end portions, said side portions of said closed rectangular loop being disposed in a horizontal plane when the receptacle is in a horizontal position and said end portions being displaced downwardly from said horizontal plane, a bottom Structure for the receptacle including a plurality of further wire rods, said further wire rods being aosasvs disposed in spaced and parallel relationship with one another and in spaced and parallel relationship with said side portions of said first wire rod, said side portions of V said closed rectangular loop each being displaced outwardly from the corresponding outermost ones of said further wire rods forming said bottom Structure, Upper supporting members supported by said first wire rod adjacent the corners of the receptacle, said Upper supporting members each extendng inwardly from said first wire rod and each of said Upper supporting members having an upwardly projecting extremity, theextremities of each of said Upper supporting members being displaced outwardly from the corresponding outermost ones of said further wire rods forming said bottom Structure, and a plurality of wire loop lower supporting members mounted on said bottom Structure extending outwardly from the corresponding outermost ones of said further wire rods and in respective vertical alignment with the upwardly projecting extrernities of said upper supporting members, so that the receptacle may be stacked on a lower like receptacle with the lower supporting members thereof engaging the Upper supporting members of the lower receptacle, and so that the receptacle may be nested in a lower like receptacle by displacing the same laterally with respect to the lower receptacle so that said Upper supporting members are displaced laterally from said lower supporting members and then dropping the same into nested relationship with the lower receptacle.

2. A receptacle capable of being stacked or nested with receptacles of like construction, including: a first wire rod extending as a closed rectangular loop around the periphery of the receptacle, said closed rectangular loop having spaced and parallel end portions and spaced and parallel side portions, said side portions of said closed rectangular loop being disposed in a first horizontal plane and said end portions of said closed rectangular loop being disposed in a second horizontal plane displaced downwardly from said first horizontal plane when the receptacle is horizontally positioned, a plurality of spaced and parallel further fwire' rods extending between said end portions of said first wire rod and attached thereto to form a bottom Structure, said side portions of said closed rectangular loop each being -displaced outwardly from the corresponding outermost ones of said spaced and parallel further wire rods forming said bottom structure, said first wire rod having loops formed therein for providing Upper supporting members adjacent the corners of the receptacle, said Upper supporting members each extending inwardly from the corresponding side portion of said closed rectangular loop and each of said Upper supporting members having an'upwardiy projecting eX- tremity, the upwardly projecting extremity of each of said'upper supporting members being displaced outwardly from the corresponding outermost ones of said further wire rods forming said bottom'structure, a first continuous wire loop secured to said further wire rods on the under side of said bottom Structure and having side portions extending across the bottom structure and having looped ends extending beyond the outermost ones of said further wire rods and forming a first pair of lower supporting members in respective vertical alignment with the upwardly extending extremities of a first pair of said Upper supporting members, a second continuous wire loop secured to said lfurther wire rods on the Under side of said bottom Structure and having side portions extending across said bottom Structure and further having looped ends extending beyond the outermost ones of said further wire rods andr forming a second pair of lower supporting members in respective vertical alignrnent -with the upwardly extending extremities of a second pair of said upper supporting members, so that the receptacle may be stacked on a lower like receptacle with the lower supporting members thereof engaging the Upper supporting members of the lower receptacle, and So that the receptacle may be nested in a lower like receptacle by displacing the receptacle laterally With respect to the lower reeeptacle and then dropping the receptacle into nested relationship with the lower receptacle.

3. The receptacle defined in claim 2 and in which the portions of said first Wire rod joining said side portions and said end portions of said closed rectangular loop formed thereby each have an inclined configuration to form guides for assisting the nesting of a like receptacle with the receptacle.

4. The combination defined in claim 2 and which includes a continuous wire loop aflixed to said further wire rods on the under side of said bottom Structure, said last-named continuous iwire loop having side portions extending across the bottom Structure and having triangularshaped bent-over end portions disposed outflwardly from the outermost ones of said further wire rods forming said bottom Structure and extending upwardly from said bottom Structure when the receptacle is horizontally disposed, said last named bent-over end portions being attached to said side portions of said closed rectangular loop formed by said first wire rod to assist in the support of said first wire rod, and said last named bent-over end portions also serving as a means for guiding a like receptacle into nested relationship with the receptacle.

5. The combination defined in claim 2 and in which said further wire rods forming said bottom Structure have inclined end portions secured to said end portions of the rectangular loop formed by said first wire rod so that the plane of said bottom Structure is displaced slightly below the plane of said end portions of the rectangular loop when the receptacle is horizontally disposed.

6. The combination defined in claim 2, and which includes a second plurality of lower supporting members displaced laterally with respect to corresponding ones of said upper supporting members to permit successive like receptacles to be displaced laterally with respect to one another when in a stacked condition.

7. The combination defined in claim 2 and which includes a pair of additional wire rods respectively mounted adjacent the outermost ones of said further Iwire rods of said bottom Structure and configured to form a second pluraiity of looped supporting members mounted in fixed relationship with the bottom Structure and in laterally displaced relationship with corresponding ones of said upper supporting members, said looped supporting members of said second plurality serving to receive said Upper supporting members of a like receptacle to enable the receptacles to be stacked on top of one another in a laterally displaced relationship.

References Cited in the file of this patent UNITED STATES PATENTS 2,252,964 Faulkner Aug. 19, 1941 '2,4'97,574 Bahnson Feb. 14, 1950 2,662,662 Moorehead Dec. 15, 1953` 2,698,249 Fisher Dec. 28, 1954 2,916,293 Lang Dec. 8, 1959 2,925,919 Wilson Feb. 23, 1960 2,931,535 Lockwood Apr. 5, 1960 2,940,602 Lockwood June 14, 1960 2,950,825 Averiil Aug. 30, 1960 

1. A RECEPTACLE CAPABLE OF BEING STACKED OR NESTED WITH RECEPTACLES OF LIKE CONSTRUCTION, INCLUDING: A FIRST WIRE ROD EXTENDING AS A CLOSED RECTANGULAR LOOP AROUND THE PERIPHERY OF THE RECEPTACLE, SAID CLOSED RECTANGULAR LOOP HAVING SPACED AND PARALLEL SIDE PORTIONS AND HAVING SPACED AND PARALLEL END PORTIONS, SAID SIDE PORTIONS OF SAID CLOSED RECTANGULAR LOOP BEING DISPOSED IN A HORIZONTAL PLANE WHEN THE RECEPTACLE IS IN A HORIZONTAL POSITION AND SAID END PORTIONS BEING DISPLACED DOWNWARDLY FROM SAID HORIZONTAL PLANE, A BOTTOM STRUCTURE FOR THE RECEPTACLE INCLUDING A PLURALITY OF FURTHER WIRE RODS, SAID FURTHER WIRE RODS BEING DISPOSED IN SPACED AND PARALLEL RELATIONSHIP WITH ONE ANOTHER AND IN SPACED AND PARALLEL RELATIONSHIP WITH SAID SIDE PORTIONS OF SAID FIRST WIRE ROD, SAID SIDE PORTIONS OF SAID CLOSED RECTANGULAR LOOP EACH BEING DISPLACED OUTWARDLY FROM THE CORRESPONDING OUTERMOST ONES OF SAID FURTHER WIRE RODS FORMING SAID BOTTOM STRUCTURE, UPPER SUPPORTING MEMBERS SUPPORTED BY SAID FIRST WIRE ROD ADJACENT THE CORNERS OF THE RECEPTACLE, SAID UPPER SUPPORTING MEMBERS EACH EXTENDING INWARDLY FROM SAID FIRST WIRE ROD AND EACH OF SAID UPPER SUPPORTING MEMBERS HAVING AN UPWARDLY PROJECTING EXTREMITY, THE EXTREMITIES OF EACH OF SAID UPPER SUPPORTING MEMBERS BEING DISPLACED OUTWARDLY FROM THE CORRESPONDING OUTERMOST ONES OF SAID FURTHER WIRE RODS FORMING SAID BOTTOM STRUCTURE, AND A PLURALITY OF WIRE LOOP LOWER SUPPORTING MEMBERS MOUNTED ON SAID BOTTOM STRUCTURE EXTENDING OUTWARDLY FROM THE CORRESPONDING OUTERMOST ONES OF SAID FURTHER WIRE RODS AND IN RESPECTIVE VERTICAL ALIGNMENT WITH THE UPWARDLY PROJECTING EXTEMITIES OF SAID UPPER SUPPORTING MEMBERS, SO THAT THE RECEPTACLE MAY BE STACKED ON A LOWER LIKE RECEPTACLE WITH THE LOWER SUPPORTING MEMBERS THEREOF ENGAGING THE UPPER SUPPORTING MEMBERS OF THE LOWER RECPTACLE, AND SO THAT THE DISPLACING THE SAME LATERALLY WITH RESPECT TO THE LOWER RECEPTACLE SO THAT SAID UPPER SUPPORTING MEMBERS ARE DISPLACED LATERALLY FROM SAID LOWER SUPPORTING MEMBERS AND THEN DROPPING THE SAME INTO NESTED RELATIONSHIP WITH THE LOWER RECEPTACLE. 